Update docs/en/3-guides/3.3-how-to-upload-data.md

chore: fix wording of record array section

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

Author: david-roper

docs/en/3-guides/3.3-how-to-upload-data.md

@@ -53,7 +53,7 @@ Open Data Capture allows you to visualize numeric measures over time in a single
 
     - **_Record Array Data_**
 
-      Record array data is a custom form a data entry for when there can be multiple records for one column field. For example, the types of scans and their info in a MRI form would be record array data. If a record contains a set of questions/ data fields A, B, and C, the proper notation for data entry would be as follows:
+      Record array data is a custom form of data entry for when there can be multiple records for one column field. For example, the types of scans and their info in an MRI form would be record array data. If a record contains a set of questions/ data fields A, B, and C, the proper notation for data entry would be as follows:
 
       - RECORD_ARRAY(A: dataEntryForA, B: dataEntryForB, C: dataEntryForC ;)